You can also find my articles on my Google Scholar profile.



  1. Yimam, S.M. (2019): Adaptive Approaches to Natural Language Processing in Annotation and Application. Ph.D Thesis, University of Hamburg (pdf)
  2. Yimam, S.M. (2009): TETEYEQ (ተጠየቅ): AMHARIC QUESTION ANSWERING SYSTEM FOR FACTOID QUESTIONS. Master Thesis, Addis Ababa University pdf

Book Chapters

  1. Biemann, C., Bontcheva, K., Eckart de Castilho, R., Gurevych, I., Yimam, S.M. (2017): Collaborative Web-based Tools for Multi-layer Text Annotation. In: N. Ide and J. Pustejovsky (Eds.): Handbook of Linguistic Annotation, Springer (pdf)

Journal Publications

  1. Jana, A., Venkatesh, G., Yimam, S.M., and Biemann, C., Hypernymy Detection for Low-Resource Languages: A Study for Hindi, Bengali, and Amharic, ACM Transactions on Asian and Low-Resource Language Information Processing (2022). (pdf)
  2. Yimam, S.M., Biemann, C., Majnaric, L., Šabanović, Š., Holzinger, A. (2016): An adaptive annotation approach for biomedical entity and relation recognition. Brain Informatics, (online first), 10.1007/s40708-016-0036-4 (pdf)
  3. Yimam, S.M., Ayele, A.A.; Venkatesh, G.; Gashaw I.; Biemann C. (2021): Introducing Various Semantic Models for Amharic: Experimentation and Evaluation with Multiple Tasks and Datasets. Future Internet 2021, 13, 275. (pdf)

Conference Proceedings

  1. Remus S., Wiedemann G., Anwar S., Petersen-Frey F., Yimam S. M., Biemann C. (2022), More Like This: Semantic Retrieval with Linguistic Information, In Proceedings of the 18th Conference on Natural Language Processing (KONVENS 2022), pages 156–166, Potsdam, Germany (pdf).
  2. Beloucif M., Yimam, S.M., Stahlhacke S. and Biemann C. (2022): Elvis vs. M. Jackson: Who has More Albums? Classification and Identification of Elements in Comparative Question. In the 2022 International Conference on Language Resources and Evaluation (LREC 2022), Marseille, France (pdf).
  3. Belay, T. D., Ayele, A.A., Gelaye, G., Yimam, S.M., Biemann, C. (2021): Impacts of Homophone Normalization on Semantic Models for Amharic. Proceedings of the Third International Conference on ICT for Development for Africa (ICT4DA 2021), Bahir Dar, Ethiopia (pdf)
  4. von Boguszewski, N., Moin, S., Bhowmick, A., Yimam, S.M., Biemann, C. (2021): How Hateful are Movies? A Study and Prediction on Movie Subtitles. Proceedings of KONVENS, Düsseldorf, Germany (pdf)
  5. Wiechmann, M., Yimam S. M., Biemann, C. (2021): ActiveAnno: General-Purpose Document-Level Annotation Tool with Active Learning Integration. The 2021 Conference of the North American Chapter of the Association for Computational Linguistics - Human Language Technologies - System Demonstrations, Mexico City, Mexico (online) (pdf)
  6. Gooding, S., Kochmar, E., Yimam S. M., Biemann, C. (2021): Word Complexity is in the Eye of the Beholder. The 2021 Conference of the North American Chapter of the Association for Computational Linguistics - Human Language Technologies (NAACL-HLT), Mexico City, Mexico. (pdf)
  7. Mathew, B., Saha, P., Yimam S. M., Biemann, C., Goyal, P., Mukherjee, A. (2021): HateXplain: A Benchmark Dataset for Explainable Hate Speech Detection. Proceedings of AAAI-21, Virtual Conference. (pdf)
  8. Haase, C., Anwar, S.,Yimam S. M., Friedrich, A., Biemann, C. (2021): SCoT: Sense Clustering over Time: a tool for the analysis of lexical change. The 2021 Conference of the European Chapter of the Association for Computational Linguistics - System Demonstrations. Kyiv, Ukraine (Online) (pdf)
  9. Yimam S. M., Alemayehu H. M., Ayele A. A. and Biemann C. (2020): Exploring Amharic Sentiment Analysis from Social Media Texts: Building Annotation Tools and Classification Models. The 28th International Conference on Computational Linguistics (COLING 2020), Barcelona, Spain (pdf )(poster)
  10. Yimam S. M., Venkatesh, G., Lee, J. Biemann, C. (2020): Automatic Compilation of Resources for Academic Writing and Evaluating with Informal Word Identification and Paraphrasing System, The International Conference on Language Resources and Evaluation (LREC 2020), Marseille, France. ( pdf )
  11. Wiedemann G., Yimam S.M., and Biemann C. (2018) : A Multilingual Information Extraction Pipeline for Investigative Journalism. In Proceedings of 2018 Conference on Empirical Methods in Natural Language Processing (EMNLP 2018). Brussels, Belgium (pdf)
  12. Yimam S. M., Biemann C. (2018): Demonstrating Par4Sem - A Semantic Writing Aid with Adaptive Paraphrasing. In Proceedings of 2018 Conference on Empirical Methods in Natural Language Processing (EMNLP 2018). Brussels, Belgium (pdf).
  13. Wiedemann G., Yimam S.M., and Biemann C. (2018) : New/s/leak 2.0 – Multilingual Information Extraction and Visualization for Investigative Journalism. In: Proceedings of the 10th International Conference on Social Informatics (SocInfo 2018). St.Petersburg, Russia (pdf)
  14. Yimam S.M, Biemann C. (2018): Par4Sim – Adaptive Paraphrasing for Text Simplification. In Proceedings of The 27th International Conference on Computational Linguistics (COLING 2018). Santa Fe, New-Mexico, USA (pdf).
  15. Yimam S.M, Štajner S., Riedl M., Biemann C. (2017): CWIG3G2 - Complex Word Identification Task across Three Text Genres and Two User Groups. In Proceedings of The 8th International Joint Conference on Natural Language Processing (IJCNLP 2017). Taipei, Taiwan (pdf)
  16. Yimam S.M, Štajner S., Riedl Martin, Biemann C. (2017): Multilingual and Cross-Lingual Complex Word Identification. In Proceedings of The 2017 International Conference on Recent Advances in Natural Language Processing (RANLP). Varna, Bulgaria (pdf)
  17. Yimam, S.M., Ulrich, H., von Landesberger, T., Rosenbach, M., Regneri, M., Panchenko, A., Lehmann, F., Fahrer, U., Biemann, C. and Ballweg, K. (2016): new/s/leak – Information Extraction and Visualization for Investigative Data Journalists. ACL 2016 Demo Session, Berlin, Germany (pdf)
  18. Yimam, S.M., Biemann, C., Majnaric, L., Šabanović, Š., Holzinger, A. (2015): Interactive and Iterative Annotation for Biomedical Entity Recognition, International Conference on Brain Informatics and Health (BIH’15), London, UK (pdf)
  19. Benikova, D., Yimam, S.M., Biemann C. (2015). GermaNER: Free Open German Named Entity Recognition  Tool. In: Proceedings of the GSCL 2015. Essen, Germany (pdf)
  20. Yimam, S.M., Eckart de Castilho, R., Gurevych, I., Biemann C. (2014): Automatic Annotation Suggestions and Custom Annotation Layers in WebAnno. Proceedings of ACL 2014 System Demonstrations, Baltimore, MD, USA (pdf)
  21. Yimam, S.M., Gurevych, I., Eckart de Castilho, R., and Biemann C. (2013): WebAnno: A Flexible, Web-based and Visually Supported System for Distributed Annotations. Proceedings of ACL-2013, demo session, Sofia, Bulgaria (pdf)

Workshop Proceedings

  1. Belay, T. D., Yimam, S.M., Ayele, A. A., and Biemann, C. (2022): Question Answering Classification for Amharic Social Media Community Based Questions, The 1st Annual Meeting of the ELRA/ISCA Special Interest Group on Under-Resourced Languages (SIGUL 2022), Marseille, France (pdf).
  2. Destaw T., Ayele A.A. and Yimam, S.M. (2021): The Development of Pre-processing Tools and Pre-trained Embedding Models for Amharic. Proceedings of The fifth WiNLP (“Widening NLP”) Workshop held in conjunction with EMNLP 2021, Punta Cana, Dominican Republic. (pdf).
  3. David Ifeoluwa Adelani and Jade Abbott and Graham Neubig and Daniel D'souza and Julia Kreutzer and Constantine Lignos and Chester Palen-Michel and Happy Buzaaba and Shruti Rijhwani and Sebastian Ruder and Stephen Mayhew and Israel Abebe Azime and Shamsuddeen Muhammad and Chris Chinenye Emezue and Joyce Nakatumba-Nabende and Perez Ogayo and Anuoluwapo Aremu and Catherine Gitau and Derguene Mbaye and Jesujoba Alabi and Seid Muhie Yimam and Tajuddeen Gwadabe and Ignatius Ezeani and Rubungo Andre Niyongabo and Jonathan Mukiibi and Verrah Otiende and Iroro Orife and Davis David and Samba Ngom and Tosin Adewumi and Paul Rayson and Mofetoluwa Adeyemi and Gerald Muriuki and Emmanuel Anebi and Chiamaka Chukwuneke and Nkiruka Odu and Eric Peter Wairagala and Samuel Oyerinde and Clemencia Siro and Tobius Saul Bateesa and Temilola Oloyede and Yvonne Wambui and Victor Akinode and Deborah Nabagereka and Maurice Katusiime and Ayodele Awokoya and Mouhamadane MBOUP and Dibora Gebreyohannes and Henok Tilaye and Kelechi Nwaike and Degaga Wolde and Abdoulaye Faye and Blessing Sibanda and Orevaoghene Ahia and Bonaventure F. P. Dossou and Kelechi Ogueji and Thierno Ibrahima DIOP and Abdoulaye Diallo and Adewale Akinfaderin and Tendai Marengereke and Salomey Osei (2021): MasakhaNER: Named Entity Recognition for African Languages. Transactions of the Association for Computational Linguistics,2021, 9 1116–1131. (pdf).
  4. Wiedemann G, Yimam, S.M., Biemann C. (2020): UHH-LT at SemEval-2020 Task 12: Fine-Tuning of Pre-Trained Transformer Networks for Offensive Language Detection. Proceedings of The 14th International Workshop on Semantic Evaluation (SemEval), Barcelona, Spain. (pdf) ( poster).
  5. Yimam, S.M., Ayele, A. A., Biemann C. (2019): Analysis of the Ethiopic Twitter Dataset for Abusive Speech in Amharic. In Proceedings of International Conference On Language Technologies For All: Enabling Linguistic Diversity And Multilingualism Worldwide (LT4ALL 2019). Paris, France p. 210-214 (pdf).
  6. Yimam, S.M., Biemann, C., Malmasi, S., Paetzold, G.H., Speica, L., Štajner, S., Tack, A., Zampieri, M., (2018): A Report on the Complex Word Identification Shared Task 2018. Proceedings of the 13th Workshop on Innovative Use of NLP for Building Educational Applications, New Orleans, LA, USA (pdf)
  1. Yimam S.M., Remus S., Panchenko A., Holzinger A., Biemann C. (2017): Entity-Centric Information Access with the Human-in-the-Loop for the Biomedical Domains. Biomedical NLP Workshop associated with RANLP 2017. Varna, Bulgaria (pdf
  2. Müller, M., Ballweg, K. von Landesberger, T., Yimam, S.M., Fahrer, U., Biemann, C., Rosenbach, M., Regneri, M., Ulrich, H. (2017). Guidance for Multi-Type Entity Graphs from Text Collections. EuroVis Workshop on Visual Analytics 2017, Barcelona, Spain (pdf)
  3. Nandi, T., Biemann, C., Yimam, SM., Gupta, Deepak., Kohail, S., Ekbal, A., Bhattacharyya, Pushpak. (2017): IT-UHH at SemEval-2017 Task 3: Exploring Multiple Features for Community Question Answering and Implicit Dialogue Identification, In Proceedings of the 11th International Workshop on Semantic Evaluation (SemEval 2017), Vancouver, Canada.(pdf)
  4. Eckart de Castilho, R. Mújdricza-Maydt, E., Yimam, S.M., Hartmann, S., Gurevych, I., Frank, A. and Biemann, C. (2016): A Web-based Tool for the Integrated Annotation of Semantic and Syntactic Structures. Proceedings of the COLING workshop on Language Technology Resources and Tools for Digital Humanities (LT4DH), Osaka, Japan (pdf)
  5. Ballweg K., Zouhar F., Wilhelmi-Dworski P., von Landesberger T., Fahrer U., Panchenko A., Yimam S.M. Biemann C., Regneri M., Ulrich H. (2016) new/s/leak – A Tool for Visual Exploration of Large Text Document Collections in the Journalistic Domain, Baltimore, MD, USA, (pdf)
  6. Yimam, S.M., Martínez Alonso, H., Riedl M. and Biemann, C. (2016): Learning Paraphrasing for Multiword Expressions. The 12th Workshop on Multiword Expressions (MWE 2016), co-located with ACL 2016, Berlin, Germany (pdf)
  7. Yimam, S.M. (2015): Narrowing the Loop: Integration of Resources and Linguistic Dataset Development with Interactive Machine Learning. NAACL 2015 Student Research Workshop,  p. 88--95, Denver, Colorado (pdf)
  8. Eckart de Castilho, R., Biemann, C., Gurevych, I., Yimam, S.M. (2014): WebAnno: a flexible, web-based annotation tool for CLARIN. CLARIN Annual Conference 2014, Soesterberg, The Netherlands (pdf)
  9. Benikova, D., Fahrer, U., Gabriel, A., Kaufmann, M., Yimam, S.M., von Landesberger, T., Biemann, C. (2014): Network of the Day: Aggregating and Visualizing Entity Networks from Online Sources. KONVENS 2014 Workshop proceedings: NLP4CMC, pp. 48-52, Hildesheim, Germany (pdf)
  10. Yimam, S.M, Libse, M. (2009): TETEYEQ: Amharic Question Answering For Factoid Questions, SEPLN09. SALTMIL workshop - Information Retrieval and Information Extraction for Less Resourced Languages (IE-IR-LRL), p. 17-25 (pdf)


  1. Yimam, S.M, Biemann C.,. (2019): Current Status, Issues, and Future Directions for Ethiopian Natural Language Processing (NLP) Research. International Conference Language Technologies for All (LT4All), Paris, France (pdf)